bower install

$files = [
    "ja_zh" => [
        "align2"=>"/path/to/gold",
        "align"=>["/path/to/model/alignment","/path/to/anther/alignement",
        "target"=>"/path/to/tokenized/target/sentence/file",
        "source"=>"/path/to/tokenized/source/sentence/file",
        "target_tree"=>"/path/to/tokenized/source/dependency/tree",
        "source_tree"=>"/path/to/tokenized/target/dependency/tree"
    ],
    "ja_en" => [
    ...
    ],
    ...
];